1. In what part of the world are the greatest number of extinctions occurring?
a. in tropical...
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Chemistry, 21.06.2019 16:10
Agas mixture with a total pressure of 745 mmhg contains each of the following gases at the indicated partial pressures: co2, 245 mmhg ; ar, 119 mmhg ; and o2, 163 mmhg . the mixture also contains helium gas. part a what is the partial pressure of the helium gas? phe p h e = nothing mmhg request answer part b what mass of helium gas is present in a 10.2-l sample of this mixture at 283 k ? m m = nothing g request answer
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Chemistry, 22.06.2019 05:30
What happens to the atomic radius when an elctron is lost
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Chemistry, 22.06.2019 10:30
Use this information to determine the number of calends electrons in the atoms. which of the following correctly compares the stability of the two atoms? a) both are unreactive b) both are highly reactive c) a is unreactive and d is reactive d) a is reactive and d is unreactive
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Chemistry, 22.06.2019 12:30
In france, grapes are 1.95 euros per kilogram. what is the cost of grapes, in dollars per pound, if the exchange rate is 1.14 dollars/euro? (2.6)
Answers: 3
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